Information card for entry 1525921

Structure parameters

• Chemical name: Ba (Bi2 Ta2 O9)
• Formula: Ba Bi2 O9 Ta2
• Calculated formula: Ba1.001 Bi1.999 O9 Ta2
• Title of publication: Cation disorder in the ferroelectric oxides A Bi2 Ta2 O9, A = Ca, Sr, Ba
• Authors of publication: Marquart, R.; Kennedy, B.J.; Shimakawa, Y.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2001
• Journal volume: 160
• Pages of publication: 174 - 177
• a: 3.9355 Å
• b: 3.9355 Å
• c: 25.5686 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 396.011 ų
• Number of distinct elements: 4
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No